Thank you, Orville, I am going to give it a shot. I was able to reset the controller itself by doing the power off, switches to 0, power on, power off, switch back to setting (01 for me) and power on. That got my controller working with the PC input again. I'm going to try the jumper trick ... there is a reset button on the MP3 director itself but it didn't help last night. Out of desperation to get some lights on I tried setting in stand alone mode but it wouldn't let me which seems kind of weird. It kept downloading but failed. HWU doesn't see the MP3 director at all but fingers crossed on t